Hardware Breakpoint ( or watchpoint ) usage in Linux Kernel

Abstract

The Hardware Breakpoint (also known as watchpoint or debug) registers, hitherto was a frugally used resource in the Linux Kernel (ptrace and in-kernel debuggers being the users), with little co-operation between the users. The role of these debug registers is best exemplified in a) Nailing down the cause of memory corruption, which be tricky considering… (More)

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